Tree Swallow attempting to feed nestling
Adult Tree Swallow attempting to feed nestling at nest box, insect is dropping from adult's beak
bird,
bird photography,
birds,
Bombay Hook National Wildlife Refuge,
Delaware,
feathers,
feeding,
flying,
HIRUNDINIDAE,
nest,
perched,
sandra calderbank,
scalderphotography,
tachycineta,
tachycineta bicolor,
tree swallow,
wildlife,
wings,
nestling,
nest box,
insect
